{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-24-020842","form_type":"8-K","ticker":"PPIH","cik":"0000914122","company_name":"Perma-Pipe International Holdings, Inc.","filed_at":"2024-06-21T23:59:59+00:00","discovered_at":"2026-05-14T18:03:22.428166+00:00","generated_at":"2026-06-01T03:10:18.065133+00:00","sec_items":["4.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Perma-Pipe dismisses Grant Thornton, appoints PwC as auditor for FY2025","bullets":["Dismissed Grant Thornton effective June 17, 2024; appointed PricewaterhouseCoopers LLP for fiscal year ending Jan 31, 2025.","Audit reports for FY2024 and FY2023 were unqualified; no disagreements or reportable events occurred.","Material weaknesses in internal control over financial reporting previously disclosed did not cause misstatements.","Grant Thornton provided a letter agreeing with the disclosures in the Form 8-K."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-24-020842","json":"https://secwatch.observer/filing/0001437749-24-020842.json","markdown":"https://secwatch.observer/filing/0001437749-24-020842.md","text":"https://secwatch.observer/filing/0001437749-24-020842.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/914122/000143774924020842/0001437749-24-020842-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/914122/000143774924020842/ppih20240514c_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-01T03:10:18.065133+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}